class roomService:

    roomMap={}

    #创建房间
    def joinRoom(self,roomId):
        if self.roomMap.keys().__contains__(roomId):
            return "the room is used"
        self.roomMap[roomId]=[]


    def addUserToRoom(self,roomId,userId):
        pass


    #获取房间内用户列表
    def getRoomUserList(self,roomId):
        pass


